PT94164A - Processo para a restauracao de areia de fundicao - Google Patents

Processo para a restauracao de areia de fundicao Download PDF

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Publication number
PT94164A
PT94164A PT94164A PT9416490A PT94164A PT 94164 A PT94164 A PT 94164A PT 94164 A PT94164 A PT 94164A PT 9416490 A PT9416490 A PT 9416490A PT 94164 A PT94164 A PT 94164A
Authority
PT
Portugal
Prior art keywords
sand
neutralization
process according
regeneration
acid
Prior art date
Application number
PT94164A
Other languages
English (en)
Portuguese (pt)
Inventor
Hermann W Sommer
Original Assignee
Saz Sommer Aluminium Zug Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Saz Sommer Aluminium Zug Ag filed Critical Saz Sommer Aluminium Zug Ag
Publication of PT94164A publication Critical patent/PT94164A/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
    • B22C5/18—Plants for preparing mould materials
    • B22C5/185—Plants for preparing mould materials comprising a wet reclamation step
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
    • B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Mold Materials And Core Materials (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Processing Of Solid Wastes (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Treatment Of Sludge (AREA)
PT94164A 1990-02-14 1990-05-25 Processo para a restauracao de areia de fundicao PT94164A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4004553A DE4004553C1 (zh) 1990-02-14 1990-02-14

Publications (1)

Publication Number Publication Date
PT94164A true PT94164A (pt) 1991-09-30

Family

ID=6400137

Family Applications (1)

Application Number Title Priority Date Filing Date
PT94164A PT94164A (pt) 1990-02-14 1990-05-25 Processo para a restauracao de areia de fundicao

Country Status (15)

Country Link
EP (1) EP0446402A1 (zh)
JP (1) JPH03238141A (zh)
KR (1) KR910015345A (zh)
CN (1) CN1054021A (zh)
BR (1) BR9003152A (zh)
CA (1) CA2022769A1 (zh)
CS (1) CS219190A2 (zh)
DD (1) DD297087A5 (zh)
DE (1) DE4004553C1 (zh)
DK (1) DK149890A (zh)
FI (1) FI902822A (zh)
HU (1) HUT58008A (zh)
NO (1) NO902410L (zh)
PL (1) PL285083A1 (zh)
PT (1) PT94164A (zh)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4129863A1 (de) * 1991-09-07 1993-03-11 Hanf Carl Elino Ind Ofenbau Verfahren und vorrichtung zur aufbereitung von bentonitgebundenem giesserei-altsand
DE19927107A1 (de) * 1999-06-14 2000-12-21 Fischer Georg Gmbh & Co Kg Verfahren und Vorrichtung zur Verminderung der Geruchsemissionen von Giessereianlagen
EP1222978A3 (en) * 2001-01-15 2007-10-17 Sintokogio, Ltd. A method for making sand covered with bentonite, the sand, and a method for recycling molding sand for a mold using the sand covered by bentonite
DE102007027298A1 (de) * 2007-06-11 2008-12-18 Maschinenfabrik Gustav Eirich Gmbh & Co. Kg Verfahren zur Aufbereitung von Formsand
CN102059319B (zh) * 2011-01-19 2012-12-19 昆明理工大学 一种树脂旧砂的联合再生方法
CN102500458B (zh) * 2011-11-28 2014-07-09 河海大学 一种洗沙方法及其专用装置
CN102615243B (zh) * 2012-03-27 2013-09-18 华中科技大学 一种铸造旧砂湿法间歇式再生方法及其设备
JP2016147287A (ja) * 2015-02-12 2016-08-18 マツダ株式会社 鋳物砂の再生方法および研磨装置
ES2874204T5 (es) * 2018-06-29 2024-10-07 Nemak Sab De Cv Procedimiento para la preparación de una mezcla de arena de fundición
JP7142563B2 (ja) * 2018-12-26 2022-09-27 伊藤忠セラテック株式会社 回収砂の再生方法
EP3797896A1 (en) * 2019-09-27 2021-03-31 Finn Recycling OY Cleaning sand used at foundry

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US414388A (en) * 1889-11-05 emmens
DE2233111C3 (de) * 1972-07-06 1974-11-28 Hermann 2105 Seevetal Jacob Verfahren und Vorrichtung zum Regenerieren von kunstharzgebundenem Gießereialtsand
US4113510A (en) * 1974-06-07 1978-09-12 Societe D'applications De Procedes Industriels Et Chimiques S.A.P.I.C. Process for regenerating foundry sand
CA1050209A (en) * 1974-12-16 1979-03-13 Julius M. Bleuenstein Sand reclamation and purification
JPS5292823A (en) * 1976-02-02 1977-08-04 Hitachi Ltd Old sand cleaning reproduction process
DE2656672C2 (de) * 1976-12-15 1978-09-21 Daimler-Benz Ag, 7000 Stuttgart Verfahren beim Regenerieren von Kernsand
CH631643A5 (de) * 1978-04-14 1982-08-31 Fischer Ag Georg Verfahren zur regenerierung von giesserei-altsand sowie einrichtung zur durchfuehrung des verfahrens und erzeugnis des verfahrens.
US4401638A (en) * 1981-12-21 1983-08-30 Materias Primas, Monterrey, S.A. Process for purifying silica sand
GB8317669D0 (en) * 1983-06-29 1983-08-03 British Ind Sand Ltd Chemical treatment of sand
EP0152230A1 (en) * 1984-02-03 1985-08-21 Steel Castings Research And Trade Association Reclamation of foundry sands

Also Published As

Publication number Publication date
KR910015345A (ko) 1991-09-30
JPH03238141A (ja) 1991-10-23
HUT58008A (en) 1992-01-28
NO902410D0 (no) 1990-05-31
DE4004553C1 (zh) 1991-10-10
FI902822A0 (fi) 1990-06-06
CN1054021A (zh) 1991-08-28
FI902822A (fi) 1991-08-15
NO902410L (no) 1991-08-15
DK149890A (da) 1991-08-15
DD297087A5 (de) 1992-01-02
CA2022769A1 (en) 1991-08-15
PL285083A1 (en) 1991-10-07
BR9003152A (pt) 1991-11-12
CS219190A2 (en) 1991-09-15
EP0446402A1 (de) 1991-09-18
DK149890D0 (da) 1990-06-19
HU903815D0 (en) 1990-11-28

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Legal Events

Date Code Title Description
FC3A Refusal

Effective date: 19960304